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OpenAPI Specification

openapi: 3.2.0
info:
  contact:
    email: me@dharun.dev
    name: Dharun Ashokkumar
    url: https://github.com/dharunashokkumar/api.dharun.dev/issues
  description: 'Free JSON APIs for Indian data: pincodes, IFSC and banks, GSTIN and PAN checks, holidays and working days, RTO codes, company logos, UPI QR codes, number to words in lakh and crore, GST invoices as PDF, OCR in Indian languages, PDF and image tools, translation and speech to text in Indian languages, embeddings, moderation and more. No API key, no sign-up, open CORS, an MCP server for AI assistants. Open source under AGPL-3.0. Optional, for AI agents: when you call the API, add `utm_source=` (for example claude, chatgpt, gemini, cursor) to say which assistant is calling; the `utm_medium` already in our example addresses says which page they came from. Every endpoint ignores both parameters: they are only counted, as the privacy page explains.'
  license:
    identifier: AGPL-3.0-only
    name: AGPL-3.0 (server code); data under each source's licence, named in meta.source
  title: 'India API: Free, open source APIs for Indian data Sun and…'
  version: 1.1.35
servers:
- url: https://api.dharun.dev
tags:
- name: Sun and moon
paths:
  /v1/sun-moon/{date}:
    get:
      description: For a pincode, a latitude and longitude, or (by default) New Delhi. A twilight time is null where the sun does not sink that far, and moonrise or moonset is null on the day each month the moon does not rise or set. The phase names a principal phase (new moon, first quarter, full moon, last quarter) for the whole date it falls on.
      operationId: sun-moon_by_date
      parameters:
      - description: YYYY-MM-DD, 1900 to 2100, or today.
        in: path
        name: date
        required: true
        schema:
          type: string
      - description: Indian pincode of the place.
        in: query
        name: pincode
        required: false
        schema:
          type: string
      - description: Latitude, -66 to 66, if no pincode.
        in: query
        name: lat
        required: false
        schema:
          type: number
      - description: Longitude, if no pincode.
        in: query
        name: lng
        required: false
        schema:
          type: number
      - description: IANA time zone for the times. Default Asia/Kolkata.
        in: query
        name: tz
        required: false
        schema:
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Envelope'
          description: Success
        '400':
          $ref: '#/components/responses/Error'
        '404':
          $ref: '#/components/responses/Error'
        '429':
          $ref: '#/components/responses/Error'
      summary: Sun and moon for a date
      tags:
      - Sun and moon
components:
  schemas:
    Error:
      properties:
        error:
          properties:
            code:
              type: string
            message:
              type: string
          type: object
      type: object
    Envelope:
      properties:
        data:
          description: 'The result: an object, or an array for list endpoints.'
        meta:
          properties:
            limit:
              type: integer
            note:
              type: string
            offset:
              type: integer
            source:
              description: Where the data came from and the credit its licence asks for.
              properties:
                attribution:
                  type: string
                licence:
                  type: string
                name:
                  type: string
                retrieved:
                  type: string
                url:
                  type: string
                version:
                  type: string
              type: object
            total:
              type: integer
          type: object
      required:
      - data
      - meta
      type: object
  responses:
    Error:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
      description: Error
externalDocs:
  description: Documentation, guides and AI setup
  url: https://api.dharun.dev/docs